Synthesis and characterization of poly( N -vinylcaprolactam)-based spray-dried microparticles exhibiting temperature and pH-sensitive properties for controlled release of ketoprofen - Medeiros, Simone F.; Lopes, M. V.; Rossi-Bergmann, Bartira; Ré, Maria Inês; Santos, Amilton M. (Drug Development and Industrial Pharmacy, 2017)